1 Chronicles 10:2

Now the Philistines fought against Israel; and the men of Israel fled from before the Philistines, and fell down slain on Mount Gilboa.

The battle went hard against Saul, and the archers overtook him; and he was distressed by reason of the archers.

Then Saul said to his armor bearer, “Draw your sword, and thrust me through with it, lest these uncircumcised come and abuse me.”

But his armor bearer would not, for he was terrified. Therefore Saul took his sword and fell on it.

When his armor bearer saw that Saul was dead, he likewise fell on his sword and died.